AppleInsider is reporting that we can expect a refresh of Apple’s line of iMac desktop computers in the coming weeks. While the iMac is not expected to undergo any significant changes on the outside, there will be significant performance upgrades under the hood. As Apple’s biggest shopping season of the year steadily approaches, Apple is gearing up with an impressive array of new and upgraded iPods, MacBook’s, and iMacs. AppleInsider has the full scoop here. There are also reports that the new iMacs will lack FireWire support… I’m just kidding of course